Blazethorn Scarecrow has haste as long as you control a red creature.Blazethorn Scarecrow has wither as long as you control a green creature. (It deals damage to creatures in the form of -1/-1 counters.)

Thornwatch Scarecrow has wither as long as you control a green creature. (It deals damage to creatures in the form of -1/-1 counters.)Thornwatch Scarecrow has vigilance as long as you control a white creature.

Wither (This deals damage to creatures in the form of -1/-1 counters.)Whenever a creature an opponent controls with a -1/-1 counter on it is put into a graveyard, you may return that card to play under your control.

At the end of any turn, if there are no creatures in play, bury Withering Wisps. B: Withering Wisps deals 1 damage to each creature and each player. You cannot spend more B in this way each turn than the number of snow-covered swamps you control.

Enchant creatureAs long as enchanted creature is black, it gets +1/+1 and has wither. (It deals damage to creatures in the form of -1/-1 counters.)As long as enchanted creature is red, it gets +1/+1 and has first strike.

Noxious Hatchling comes into play with four -1/-1 counters on it.Wither (This deals damage to creatures in the form of -1/-1 counters.)Whenever you play a black spell, remove a -1/-1 counter from Noxious Hatchling.Whenever you play a green spell, remove a -1/-1 counter from Noxious Hatchling.

Wither (This deals damage to creatures in the form of -1/-1 counters.)Persist (When this creature is put into a graveyard from play, if it had no -1/-1 counters on it, return it to play under its owners control with a -1/-1 counter on it.)

((2/g) can be paid with any two mana or with G. This cards converted mana cost is 6.)

Until end of turn, target creature gets +4/+4 and gains trample, wither, and >>When this creature attacks, target creature blocks it this turn if able.<< (It deals damage to creatures in the form of -1/-1 counters.)

Whenever Witherscale Wurm blocks or becomes blocked by a creature, that creature gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.) Whenever Witherscale Wurm deals damage to an opponent, remove all -1/-1 counters from it.